Keep your Hitachi ZX270-3 excavator operating with smooth and controlled upper structure rotation using a replacement Swing Motor Only, part number 4621174. The swing motor converts hydraulic power into rotational force, allowing the excavator to turn the upper structure efficiently while positioning the boom, arm and bucket.
A worn swing motor can affect rotation speed, responsiveness and overall machine control. Excessive noise, inconsistent swinging, reduced rotation power or hesitation under load can all indicate that the motor requires attention. Replacing the motor section can provide a practical repair solution when the existing swing gearbox and related components remain suitable for continued use. Current parts references identify 4621174 as a swing motor for the ZX270-3.
Pro Construction Parts supplies replacement hydraulic and mechanical components for construction equipment, helping customers get essential machinery back into productive operation. The Hitachi ZX270-3 Swing Motor 4621174 offers a practical replacement option when the existing motor has developed internal wear or suffered damage.
Swing motors can vary according to machine version, serial number and the exact hydraulic configuration. Current parts references identify 4621174 for the Hitachi ZX270-3, while some catalogues also associate the number with other Hitachi models, so checking your existing unit is recommended before ordering.
Send us your machine serial number and existing swing motor part number, and our technical team can help confirm the correct replacement.